/* =========================================================
   ELEVEN TECNOLOGIA — Design System
   Paleta P1: Azul profundo + grafite + branco
   Modo claro — sobriedade máxima
   ========================================================= */

:root {
  /* Azul profundo (marca / acentos) */
  --navy-900: #0B1F33;
  --navy-800: #12283F;
  --navy-700: #1B3A5C;
  --navy-600: #274970;

  /* Grafite (texto e neutros) */
  --graphite-900: #1C2430;
  --graphite-700: #3A4452;
  --graphite-500: #5B6472;
  --graphite-300: #9AA3AF;

  /* Branco / superfícies */
  --white: #FFFFFF;
  --gray-50: #FAFBFC;
  --gray-100: #F4F6F8;
  --gray-200: #E7EAEE;
  --line: #E2E6EB;

  --font-display: 'Space Grotesk', 'Manrope', sans-serif;
  --font-body: 'Manrope', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;

  --shadow-card: 0 12px 32px rgba(11,31,51,0.08);
  --shadow-card-hover: 0 20px 40px rgba(11,31,51,0.12);

  --container-w: 1200px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--white);
  color: var(--graphite-700);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; margin: 0 0 .6em; color: var(--graphite-900); }
p { margin: 0 0 1em; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--navy-900); color: #fff; padding: 10px 16px;
  z-index: 999; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

::selection { background: var(--navy-700); color: #fff; }

/* ===== Logomark ===== */
.brand-mark {
  --dot-light: var(--graphite-300);
  --dot-dark: var(--navy-900);
  width: 26px; height: 31px;
  overflow: visible;
}
.dot-light { fill: var(--dot-light); }
.dot-dark { fill: var(--dot-dark); }
.brand-mark--xl { width: 90px; height: 108px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--navy-900);
  color: #fff;
  box-shadow: 0 8px 20px rgba(11,31,51,0.22);
}
.btn-primary:hover { transform: translateY(-2px); background: var(--navy-700); box-shadow: 0 12px 26px rgba(11,31,51,0.28); }
.btn-ghost {
  background: transparent;
  color: var(--graphite-900);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--navy-900); color: var(--navy-900); background: var(--gray-100); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.94);
  border-bottom: 1px solid var(--line);
}
@media (min-width: 1081px) {
  .site-header { backdrop-filter: blur(14px); background: rgba(255,255,255,0.85); }
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); }
.brand-word { display: flex; flex-direction: column; line-height: 1.1; }
.brand-eleven { font-size: 1.15rem; font-weight: 700; color: var(--navy-900); letter-spacing: -0.01em; }
.brand-sub { font-size: 0.58rem; font-weight: 600; color: var(--graphite-300); letter-spacing: .18em; text-transform: uppercase; }

.main-nav ul { display: flex; gap: 28px; }
.main-nav a {
  font-size: 0.92rem; color: var(--graphite-500); font-weight: 500;
  transition: color .2s ease;
  position: relative;
}
.main-nav a:hover, .main-nav a.is-active { color: var(--navy-900); }
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 0; height: 2px; background: var(--navy-900);
  transition: width .25s ease;
}
.main-nav a:hover::after, .main-nav a.is-active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; padding: 6px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--graphite-900); border-radius: 2px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 120px 0 90px;
  background: var(--gray-50);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-grid { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-mark {
  position: absolute; top: -60px; right: -40px;
  width: 420px; height: 504px;
  opacity: 0.05;
}
.hero-mark .dot-light, .hero-mark .dot-dark { fill: var(--navy-900); }

.hero-inner { position: relative; z-index: 1; max-width: 820px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--navy-700); font-weight: 700;
  margin-bottom: 22px;
}
.eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--navy-900); }

.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  letter-spacing: -0.02em;
  color: var(--graphite-900);
}
.text-accent { color: var(--navy-900); }
.hero-subtitle {
  font-size: 1.1rem; color: var(--graphite-500);
  max-width: 640px; margin-bottom: 34px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }

.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid var(--line); }
.stat dt { font-size: 0.8rem; color: var(--graphite-300); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .05em; }
.stat dd { font-family: var(--font-display); font-size: 1.5rem; color: var(--navy-900); margin: 0; font-weight: 700; }

/* ===== Page banner (páginas internas) ===== */
.page-banner { padding: 90px 0 60px; background: var(--gray-50); border-bottom: 1px solid var(--line); }
.page-banner h1 { font-size: clamp(1.8rem, 3.6vw, 2.8rem); max-width: 820px; }
.page-banner .lead { max-width: 680px; }

/* ===== Section tags / heads ===== */
.section-tag {
  display: inline-block;
  font-size: 0.78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--navy-700);
  padding: 6px 14px;
  border: 1px solid var(--navy-700);
  border-radius: 999px;
  margin-bottom: 18px;
  background: rgba(11,31,51,0.04);
}
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); color: var(--graphite-900); }
.lead { font-size: 1.05rem; color: var(--graphite-500); }

/* ===== Generic content section ===== */
.content-section { padding: 80px 0; }
.content-section h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }
.check-list { display: grid; gap: 14px; margin-top: 20px; }
.check-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--graphite-700); font-size: 0.98rem; }
.check-list--columns { grid-template-columns: 1fr 1fr; column-gap: 32px; }

/* ===== Positioning ===== */
.positioning { padding: 100px 0; background: var(--gray-100); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.positioning-inner { max-width: 900px; }
.positioning h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.positioning-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 48px; }
.pos-number { font-family: var(--font-display); font-size: 0.85rem; color: var(--navy-700); font-weight: 700; }
.pos-item h3 { font-size: 1.1rem; margin: 10px 0 8px; color: var(--graphite-900); }
.pos-item p { color: var(--graphite-500); font-size: 0.95rem; margin: 0; }

/* ===== Services ===== */
.services { padding: 110px 0; }
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.service-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: var(--navy-700);
  box-shadow: var(--shadow-card-hover);
}
.service-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--gray-100);
  color: var(--navy-900);
  margin-bottom: 20px;
}
.service-icon svg { width: 24px; height: 24px; }
.service-card h3 { font-size: 1.08rem; color: var(--graphite-900); margin-bottom: 10px; }
.service-card p { color: var(--graphite-500); font-size: 0.92rem; }
.service-benefit { color: var(--graphite-300); font-size: 0.85rem; border-top: 1px solid var(--line); padding-top: 12px; margin-top: 14px; margin-bottom: 0; }
.service-benefit strong { color: var(--navy-900); font-weight: 600; }
.service-link { display: inline-block; margin-top: 12px; font-size: 0.85rem; font-weight: 600; color: var(--navy-900); }

/* ===== Why ===== */
.why { background: var(--gray-100); padding: 110px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.why-inner { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: center; }
.why-list { display: grid; gap: 16px; margin-top: 30px; margin-bottom: 30px; }
.why-list li { display: flex; align-items: flex-start; gap: 12px; color: var(--graphite-700); font-size: 0.98rem; }
.why-check {
  flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--navy-900); color: #fff; font-size: 0.75rem; font-weight: 700;
  margin-top: 2px;
}
.why-visual { display: flex; justify-content: center; }
.mark-large {
  position: relative;
  width: 220px; height: 220px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--white);
}
.mark-large::before {
  content: ""; position: absolute; inset: 30px;
  border-radius: 50%; border: 1px solid var(--line);
}

/* ===== Method ===== */
.method { padding: 110px 0; }
.method-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.method-step {
  position: relative;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 28px 22px;
}
.method-index { font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; color: transparent; -webkit-text-stroke: 1.5px var(--navy-900); display: block; margin-bottom: 14px; }
.method-step h3 { font-size: 1.02rem; color: var(--graphite-900); margin-bottom: 8px; }
.method-step p { font-size: 0.88rem; color: var(--graphite-500); margin: 0; }

/* ===== Contracts ===== */
.contracts { padding: 110px 0; background: var(--gray-100); border-top: 1px solid var(--line); }
.contracts-content { max-width: 780px; }
.contracts-benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; margin: 30px 0 40px; }
.benefit-item { display: flex; align-items: center; gap: 10px; color: var(--graphite-700); font-size: 0.95rem; }
.benefit-icon { color: var(--navy-700); font-size: 0.7rem; }

/* ===== Dev/Automation ===== */
.dev-automation { padding: 100px 0 60px; background: var(--white); }
.dev-inner { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: center; }
.dev-visual { color: var(--navy-700); opacity: 0.9; }
.dev-content .lead { margin-bottom: 16px; }

/* ===== Security ===== */
.security { padding: 100px 0; background: var(--gray-100); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.security-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.security-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px;
  background: var(--white);
}
.security-item h3 { color: var(--navy-900); font-size: 1rem; margin-bottom: 8px; }
.security-item p { color: var(--graphite-500); font-size: 0.92rem; margin: 0; }

/* ===== Audience ===== */
.audience { padding: 110px 0; }
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.audience-card {
  border-radius: var(--radius-md);
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--navy-900);
}
.audience-card h3 { font-size: 1.02rem; color: var(--graphite-900); margin-bottom: 8px; }
.audience-card p { color: var(--graphite-500); font-size: 0.92rem; margin: 0; }

/* ===== Final CTA ===== */
.final-cta {
  padding: 100px 0;
  background: var(--white);
  text-align: center;
}
.final-cta-inner { max-width: 760px; margin: 0 auto; }
.final-cta h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 18px; }
.final-cta .lead { margin: 0 auto 32px; max-width: 560px; }

/* ===== Contact page ===== */
.contact-section { padding: 80px 0 110px; }
.contact-layout { display: grid; grid-template-columns: 1.4fr 0.9fr; gap: 50px; align-items: start; }
.contact-form-wrap { }
.contact-info { background: var(--gray-100); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 32px; }
.contact-info h2 { font-size: 1.15rem; margin-bottom: 16px; }
.contact-info p { font-size: 0.92rem; color: var(--graphite-500); margin-bottom: 16px; }
.contact-info a { color: var(--navy-900); font-weight: 600; }

.alert { border-radius: var(--radius-sm); padding: 14px 18px; font-size: 0.92rem; margin-bottom: 20px; }
.alert-success { background: rgba(27,58,92,0.08); color: var(--navy-700); border: 1px solid rgba(27,58,92,0.25); }
.alert-error { background: rgba(185,28,28,0.06); color: #B91C1C; border: 1px solid rgba(185,28,28,0.25); }
.field-error { display: block; color: #B91C1C; font-size: 0.8rem; margin-top: 6px; }

.contact-form { text-align: left; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-card); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 0.85rem; color: var(--graphite-500); margin-bottom: 8px; font-weight: 500; }
.form-field input, .form-field textarea {
  width: 100%;
  background: var(--gray-50);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--graphite-900);
  font-size: 0.95rem;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.form-field input:focus, .form-field textarea:focus {
  outline: none; border-color: var(--navy-700);
  box-shadow: 0 0 0 3px rgba(27,58,92,0.12);
}
.contact-form .btn { width: 100%; margin-top: 6px; }

/* ===== Footer ===== */
.site-footer { background: var(--graphite-900); padding: 70px 0 0; }
.footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 50px; padding-bottom: 50px; }
.site-footer .brand-mark { --dot-light: rgba(255,255,255,0.38); --dot-dark: #FFFFFF; }
.site-footer .brand-eleven { color: #fff; }
.site-footer .brand-sub { color: rgba(255,255,255,0.45); }
.footer-brand p { color: rgba(255,255,255,0.72); font-size: 0.92rem; margin-top: 16px; max-width: 340px; }
.footer-col h4 { font-size: 0.9rem; color: #fff; margin-bottom: 16px; text-transform: uppercase; letter-spacing: .04em; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { color: rgba(255,255,255,0.72); font-size: 0.92rem; transition: color .2s ease; }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; }
.footer-bottom p { margin: 0; color: rgba(255,255,255,0.45); font-size: 0.85rem; text-align: center; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .method-steps { grid-template-columns: repeat(3, 1fr); }
  .why-inner, .dev-inner, .content-grid, .contact-layout { grid-template-columns: 1fr; }
  .why-visual { order: -1; }
  .security-grid, .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .positioning-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 1080px) {
  .main-nav { position: fixed; top: 76px; left: 0; right: 0; bottom: 0; background: var(--white); padding: 30px 24px; transform: translateX(100%); transition: transform .3s ease; overflow-y: auto; }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 22px; }
  .main-nav a { font-size: 1.1rem; }
  .nav-toggle { display: flex; }
}

@media (max-width: 720px) {
  .header-actions .btn-sm { display: none; }

  .services-grid { grid-template-columns: 1fr; }
  .method-steps { grid-template-columns: 1fr; }
  .security-grid, .audience-grid, .contracts-benefits, .check-list--columns { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 34px; }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 100px 0 60px; }
  .hero-stats { gap: 28px; }
  .hero-mark { display: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}